Analysis of Coiled Tubing Sidetracking Technology
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Coiled Tubing Drilling (CTD) technology has significant technical advantages over traditional rotary drilling technology and has been widely applied in international oil and gas exploration and development. Its application scenarios include shallow vertical well drilling, re-entry sidetracking, reservoir deepening drilling, underbalanced drilling, and offshore platform drilling. Through continuous technological breakthroughs in recent years, China has made significant progress in the development of coiled tubing sidetracking equipment, supporting tools, and process optimization. The field testing and engineering application of small-hole coiled tubing sidetracking technology have been successfully achieved. This paper systematically reviews the current status of small-hole coiled tubing sidetracking equipment and technological development both domestically and internationally. Through the analysis of typical well cases, the field application effects of small-hole coiled tubing sidetracking technology are explored in depth. Based on the development needs of China's oil and gas fields, future development directions and key research areas for small-hole coiled tubing sidetracking technology are proposed.
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